selectize.js typescript: Unable to access values of an undefined object (reading '0')

I've been working on incorporating selectize.js into my project using webpack and typescript.

After installing selectize.js and the necessary types, I added the following to my code:

yarn add @selectize/selectize 
yarn add @types/select2

Within my code, I included the following snippet:

require("selectize")();

jQuery(function($){

    $(document).ready(function(){

        $('.classic-select').selectize();
    
    });
    
});

Although the code compiles without errors, when I try to run it in the console, I encounter the following error that I can't seem to figure out:

Cannot read properties of undefined (reading '0')

If anyone could provide assistance in solving this issue, I would greatly appreciate it.

Sincerely, Danilo

javascripttypescriptwebpackconfigurationselectize.js

Answer №1

After multiple tries, I finally cracked the code on how to effectively implement selectize.

Initially, I brought in jquery and selectize like so:

import $ from 'jquery';
import 'selectize'; // linking select2 function globally to the $ element

Then, I put selectize into action

jQuery(function($){

    $(document).ready(function(){

        (<any>$('.classic-select')).selectize();
    
    });
    
});

Alternatively, you can use this implementation as well

$(() => {
    (<any>$('.classic-select')).selectize();
});

If you compile the code, the jquery library will automatically be included. If jQuery is already being utilized in your code, you have the option to exclude it from compilation using webpack:

externals: {
  jquery: 'jQuery'
}

I trust this information will come in handy!

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